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Finding the Fourth Proportional to 353,116.20, 529,674.30 and 187,228.20

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Solution

The fourth proportional to 353,116.20, 529,674.30 and 187,228.20 is: 280,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,116.20 : 529,674.30 = 187,228.20 : x
  2. Step 2: Convert to fraction form
    353,116.20/529,674.30 = 187,228.20/x
  3. Step 3: Cross multiply
    353,116.20x = 529,674.30 × 187,228.20
  4. Step 4: Simplify right side
    353,116.20x = 99,169,965,775.26
  5. Step 5: Solve for x
    x = 99,169,965,775.26/353,116.20
  6. Step 6: Final answer
    x = 280,842.30

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